The Ring,piston, cataloged under National Stock Number 2825-00-271-9042, is classified within Federal Supply Class 2825 (Steam Turbines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Volvo Construction Equipment North America, Llc. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2825-00-271-9042 |
| Primary Part Number | 20045-16PC999 |
| Item Name | Ring,piston |
| FSC / FSG | 2825 / 28 — Steam Turbines and Components |
| Manufacturer | Volvo Construction Equipment North America, Llc |
| Status | ACTIVE |
| FSC Application Data | PISTON,STEAM PROPULSION ENGINE |
| Cross-Sectional Shape Style | PLAIN RECTANGULAR, STRAIGHT FACE |
| Joint Style | DIAGONAL JOINT |
| Radial Wall Thickness | 0.2030 INCHES NOMINAL IN |
| Ring Style | CONCENTRIC |
| Standard Bore Diameter | 6.000 INCHES IN |
| Material | IRON OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 20045-16PC999 | Volvo Construction Equipment North America, Llc (USA) |
| HR50808 | Volvo Construction Equipment North America, Llc (USA) |
| Reference | Meaning |
|---|---|
| HR50808 | 5/9 Secondary reference Vme Americas Inc Sub of Vme Group N V |
| HR50808 | 3/9 Design control — primary reference Ecolaire Inc Baldwin-Hamilton Co Div |
| 20045-16PC999 | 5/9 Secondary reference Vme Americas Inc Sub of Vme Group N V |
| 5969-2ITEM38 | 5/9 Secondary reference Vme Americas Inc Sub of Vme Group N V |
NSN 2825-00-271-9042 is a Ring,piston, manufactured by Volvo Construction Equipment North America, Llc, classified under FSC 2825, Steam Turbines and Components. Status: active.
NSN 2825-00-271-9042 has 2 manufacturer part numbers on file: 20045-16PC999 (Volvo Construction Equipment North America, Llc), HR50808 (Volvo Construction Equipment North America, Llc).
Key specifications for 20045-16PC999: FSC Application Data: PISTON,STEAM PROPULSION ENGINE; Overall Width: 0.2480 INCHES MINIMUM AND 0.2490 INCHES MAXIMUM IN; Cross-Sectional Shape Style: PLAIN RECTANGULAR, STRAIGHT FACE; Joint Style: DIAGONAL JOINT. 7 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 2825-00-271-9042 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.